Valmiki Ramayana 1.63.9
विश्वामित्र आश्रमे सौम्य सुखेन व्यतिचक्रमुः ।अथ काले गते तस्मिन् विश्वामित्रो महामुनिः॥
viśvāmitra āśrame saumya sukhena vyaticakramuḥ |atha kāle gate tasmin viśvāmitro mahāmuniḥ ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book